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| 灯示〔光〕信号 | |||
| 鸡光照信号 | |||
| 灯光信号 | |||
| 光示信号; 闪光信号; 色灯信号; 灯光信号; 灯火信号 | |||
| 光信号 | |||
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light signal : 67 phrases in 14 subjects |
| Automobiles | 4 |
| Aviation | 5 |
| Business | 1 |
| China | 1 |
| Communications | 3 |
| Electronics | 13 |
| Environment | 1 |
| General | 3 |
| Mountaineering | 1 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Technology | 30 |
| Weightlifting | 1 |
| Wind Energy | 1 |
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